Average Co-Inventor Count = 7.20
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Nitta Gelatin Inc. (1 from 20 patents)
2. Osaka Prefecture, Horonobu Oonishi and Kyocera Corporation (1 from 1 patent)
2 patents:
1. 5223029 - Hardening material for medical and dental use
2. 4668585 - Fe-Cr-Al type implant alloy composite for medical treatment